This may shed some light: http://www.wired.com/2015/07/crummy-highways-delaying-self-d...
Essentially, the road markings are too shoddy, and it's hard to work around - but there'll be a beta of some description before too long.
Essentially, the road markings are too shoddy, and it's hard to work around - but there'll be a beta of some description before too long.
Would also be interested in knowing what you think it does right now, in the failure scenario we're discussing.